.main{
    width: 80%;
    margin: auto;
}

.control{
    text-align: center;
}

a.btn{
    line-height: 28px;
    padding: 2px 30px;
    color: #FFF;
    background-color: #00ccff;
}

.page-next{
    margin-left: 12px;
}

.grid {
    width: 600px;
    margin: auto;
}

.grid img{
    width: 100px;
    height: 100px;
}